A massive fire engulfed a Chelsea building early Tuesday morning, leaving several streets closed and sending the smell of smoke as far as Queens. Fire officials now worry the building could collapse at any minute. The five-alarm fire broke out around 3 a.m. on the fourth floor of 221 West 17th Street and ripped into the fifth and sixth floors, tearing through the roof, the FDNY said.The FDNY tweeted that the fire was under control just after 7 a.m., but also said the building, which is near 7th Avenue, is in danger of collapsing.